Olivia Cecile Harnois, MS CCC-SLP

Primary specialty

Speech-Language PathologistTaxonomy code 235Z00000X

License

30004940 Issued in NC

Practice address

60 Fenwick Hall Aly Apt 825
Johns Island, SC 29455-3135

Phone

(603) 489-7059

NPI assigned

Apr 8, 2024

Sex

Female

Sole proprietor

Yes

Registry information is reported by the provider to CMS and is not verified. About this source

Specialties & licenses 2

Addresses

Medicare fee-for-service enrollment

Enrolled in SC, NC2 enrollments

Enrollment records 2

Specialty

Qualified Speech Language Pathologist

Education

Other, 2021

Medicare assignment

May accept Medicare assignment

Practice addresses (Care Compare)

Medicare enrollment (NPD)

Enrolled

Credentials

Master of Science

State licenses

Organizations this provider is connected to: Medicare benefit reassignments (the organization bills Medicare for this provider’s services), Care Compare group memberships and National Provider Directory roles.

• Expressable Speech-Language Pathology, P.C.

  • Speech-Language Pathologist
  • Austin, TX
  • NPI 1649875857

  NC

  Medicare reassignment
• Expressable Therapy PC

  • Speech-Language Pathologist
  • Austin, TX
  • NPI 1134875370

  SC

  Medicare reassignment

The complete NPPES record for this NPI in the NPI Registry API format.

{
    "created_epoch": "1712534400000",
    "enumeration_type": "NPI-1",
    "last_updated_epoch": "1780876800000",
    "number": "1992558340",
    "addresses": [
        {
            "country_code": "US",
            "country_name": "United States",
            "address_purpose": "MAILING",
            "address_type": "DOM",
            "address_1": "60 FENWICK HALL ALY APT 825",
            "city": "JOHNS ISLAND",
            "state": "SC",
            "postal_code": "294553135",
            "telephone_number": "603-489-7059"
        },
        {
            "country_code": "US",
            "country_name": "United States",
            "address_purpose": "LOCATION",
            "address_type": "DOM",
            "address_1": "60 FENWICK HALL ALY APT 825",
            "city": "JOHNS ISLAND",
            "state": "SC",
            "postal_code": "294553135",
            "telephone_number": "603-489-7059"
        }
    ],
    "practiceLocations": [],
    "basic": {
        "last_name": "HARNOIS",
        "first_name": "OLIVIA",
        "middle_name": "CECILE",
        "credential": "MS CCC-SLP",
        "sole_proprietor": "YES",
        "sex": "F",
        "enumeration_date": "2024-04-08",
        "last_updated": "2026-06-08",
        "certification_date": "2026-06-08",
        "status": "A"
    },
    "taxonomies": [
        {
            "code": "235Z00000X",
            "taxonomy_group": "",
            "desc": "Speech-Language Pathologist",
            "state": "SC",
            "license": "7692",
            "primary": false
        },
        {
            "code": "235Z00000X",
            "taxonomy_group": "",
            "desc": "Speech-Language Pathologist",
            "state": "NC",
            "license": "30004940",
            "primary": true
        }
    ],
    "identifiers": [],
    "endpoints": [],
    "other_names": []
}

• H & K Medical LLC
• Gregory A Hancock, DMD
• Susan Henry Hancock, R.N.
• Sabra Hand, LPC
• Happy Healthcare
• Harvest Health & Rehab of Johns Island, LLC
• Mary Bridget Haspel, BCBA-D
• Benjamin Helmecamp
• Lynda Mary Higgins, R.N.
• Sharon Hills, RN

• Speech-Language Pathologist in Johns Island, SC
• Providers in Johns Island, SC by specialty
• Speech-Language Pathologist in South Carolina

• NPPES NPI Registry (CMS): identity, addresses, specialties, licenses, identifiers and endpoints. Last updated by the provider on Jun 8, 2026; self-reported and not verified by CMS. Specialty names from the NUCC taxonomy.
• Medicare enrollment (CMS PECOS): enrollments, PAC IDs and benefit reassignments.
• Medicare Care Compare (CMS): clinician profile, group practices, facility affiliations, MIPS scores and star ratings.
• National Provider Directory (CMS): practice roles, locations, licenses, networks and endpoints.

Verify at the official NPI Registry.